208643860

素因数分解:

$2^2\times 5^1\times {\mathrm{2243}}^1\times {\mathrm{4651}}^1$

素因数の和:6903

約数の個数: 24

約数和(自身を含む): 438441696

約数和(自身を除く): 229797836

約数列:

[1, 2, 4, 5, 10, 20, 2243, 4486, 4651, 8972, 9302, 11215, 18604, 22430, 23255, 44860, 46510, 93020, 10432193, 20864386, 41728772, 52160965, 104321930, 208643860]

約数ペア:

[(1, 208643860), (2, 104321930), (4, 52160965), (5, 41728772), (10, 20864386), (20, 10432193), (2243, 93020), (4486, 46510), (4651, 44860), (8972, 23255), (9302, 22430), (11215, 18604)]